CN220602480U - A hand-held type fifty percent discount thickness measuring machine for film - Google Patents

Abstract

The utility model discloses a handheld double-folding thickness measuring machine for a film, which comprises a shell, wherein a detection cavity with a downward opening is arranged in the shell, an upward through chute is arranged in the upper side surface of the detection cavity, a negative pressure plate capable of entering the detection cavity is connected in the chute in a vertical sliding manner, the negative pressure plate is hollow, an air pump is further arranged on the shell, an air inlet hole of the air pump is connected to the upper end of the negative pressure plate through an air pipe, the film is folded and adsorbed into the detection cavity through a negative pressure adsorption principle, and then the thickness of the film in a folded state is measured through a movable ranging rod, so that the thickness of the single-layer film is judged; before the distance measuring rod contacts the film in the folded state, the film can be stretched by the stretching plate, so that the thickness measuring precision is ensured; the telescopic plate for shielding the ranging sensor is arranged in the utility model, so that flying flocks or other sundries in the measuring process can be prevented from affecting the working of the ranging sensor.

Description

A hand-held type fifty percent discount thickness measuring machine for film

Technical Field

The utility model relates to the technical field of thickness measurement, in particular to a handheld double-over thickness measuring machine for a film.

Background

The thickness of the film directly affects its performance and function, so that a thickness gauge is generally required to measure the thickness of the film during the production process of the film to ensure quality.

The conventional film thickness test method is to intercept a small section of film and send the film into a quality inspection chamber for thickness measurement, and the quality inspection method can damage the film and distinguish and mark the film when intercepting the film, so that the film thickness test method is more complicated.

However, the novel handheld thickness gauge disclosed in application number 201720957569.6 is generally smaller in opening, which results in that the novel handheld thickness gauge can only detect the thickness of the edge of the film, but cannot measure the thickness of the middle part of the film, and in the detection process, a worker is required to manually lift the film to stretch the film, so that the universality is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a handheld double-folding thickness measuring machine for a film, which is used for solving the problem that the film at the middle part is difficult to measure thickness.

The utility model provides the following technical scheme: the utility model provides a handheld fifty percent discount thickness measuring machine for film, includes the shell, be equipped with the decurrent detection chamber of opening in the shell, just be equipped with the spout that link up upwards in the upside of detection chamber, sliding connection has about in the spout can get into the negative pressure plate of detection intracavity, the negative pressure plate is cavity, still be equipped with the air pump on the shell, the inlet port of air pump pass through the trachea connect in the upper end of negative pressure plate, so that can produce the air current of upwards circulating in the negative pressure plate, still be equipped with in the shell and be used for driving a actuating mechanism of negative pressure plate up-and-down motion, sliding connection has two fly leaves about the detection intracavity, the fly leaf is located respectively the left and right sides of negative pressure plate, just be equipped with in the shell and be used for driving two the fly leaf carries out the drive mechanism of controlling the motion, two respectively install a range finding pole on the side that the fly leaf is close to each other, still be equipped with in the fly leaf and be used for detecting the pressure sensor that the range finding pole receives the pressure, still be equipped with in the fly leaf in the shell and measure the sensor of the position.

Preferably, the first driving mechanism comprises a holding rod arranged on the right side of the shell, a through groove which is communicated right is formed in the right side face of the sliding groove, a rotating shaft is rotationally connected to the front side face and the rear side face of the through groove, a gear is arranged on the rotating shaft, the rotating shaft is connected to the side face of the through groove through a coil spring, teeth meshed with the gear are machined on the side face of the negative pressure plate, a handle is connected in the holding rod in a left-right sliding mode, a rope is further wound on the rotating shaft, and the tail end of the rope is fixed to the handle.

Preferably, the second driving mechanism comprises a special shaft rotatably connected in the detection cavity, two sections of opposite threads are machined on the special shaft, the two sections of threads are respectively connected with the left movable plate and the right movable plate in a threaded mode, and a motor for driving the special shaft is further arranged on the shell.

Preferably, the two movable plates are hinged with a plurality of stretching plates on the side surfaces close to each other, the stretching plates are distributed at equal angles with the axis of the distance measuring rod as the center, and the side surfaces, far away from the distance measuring rod, of the stretching plates are connected with the side surfaces of the movable plates through springs.

Preferably, the tail end of the stretching plate is fixedly provided with a friction-increasing rubber layer, so that the film stretching work is facilitated, and the film is prevented from being damaged by the stretching plate.

Preferably, an indicator is mounted on the upper side of the housing, and the indicator is used for displaying data uploaded by the pressure sensor and the ranging sensor.

Preferably, the distance measuring sensor is arranged on the left side surface of the detection cavity and is opposite to the movable plate positioned on the left side.

Preferably, a telescopic plate is mounted on the left side surface of the detection cavity, a movable part which can slide in the telescopic plate is fixed on the movable plate which is positioned on the left side, and the ranging sensor is positioned on the upper side of the telescopic plate.

Preferably, the distance measuring rod is installed on the movable plate through an installation component, the installation component comprises an annular support fixedly arranged on the movable plate, and the distance measuring rod is connected in the support in a left-right sliding mode.

The utility model provides a handheld double-over thickness measuring machine for a film, which has the following beneficial effects:

according to the utility model, the film is folded and adsorbed into the detection cavity by the negative pressure adsorption principle, and then the thickness of the film in the folded state is measured by the movable ranging rod, so that the thickness of the single-layer film is judged;

before the distance measuring rod contacts the film in the folded state, the film can be stretched by the stretching plate, so that the thickness measuring precision is ensured;

the telescopic plate for shielding the ranging sensor is arranged in the utility model, so that flying flocks or other sundries in the measuring process can be prevented from affecting the working of the ranging sensor.

Drawings

FIG. 1 is a schematic view of the appearance of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a right side schematic view of the movable plate on the left side in FIG. 2;

fig. 4 is an enlarged schematic view of the movable plate located at the left side in fig. 2.

In the figure:

11. a housing; 12. a detection chamber; 13. a chute; 14. a negative pressure plate; 15. a movable plate; 16. an air pump; 17. a ranging rod; 18. a ranging sensor; 19. a pressure sensor; 20. a grip; 21. a through groove; 22. a rotating shaft; 23. a grip; 24. a string; 25. a special shaft; 26. a motor; 27. stretching the plates; 28. a register; 29. a bracket; 30. and a telescopic plate.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, an embodiment of a handheld dual-folding thickness measuring machine for a film according to the present utility model includes a housing 11, a detection cavity 12 with a downward opening is provided in the housing 11, an upward through chute 13 is provided in an upper side surface of the detection cavity 12, a negative pressure plate 14 capable of entering the detection cavity 12 is connected in a sliding manner up and down in the chute 13, the negative pressure plate 14 is hollow, an air pump 16 is further provided on the housing 11, an air inlet hole of the air pump 16 is connected to an upper end of the negative pressure plate 14 through an air pipe, so that an upward air flow can be generated in the negative pressure plate 14, and then the film can be adsorbed and attached to the negative pressure plate 14 when being abutted to a lower end of the negative pressure plate 14, a first driving mechanism for driving the negative pressure plate 14 to move up and down is further provided in the housing 11, and when the film is attached to the negative pressure plate 14 and the first driving mechanism drives the negative pressure plate 14 to move up, the film can be folded and pulled into the detection cavity 12.

The detecting cavity 12 is internally and horizontally connected with two movable plates 15 in a sliding manner, the movable plates 15 are respectively positioned at the left side and the right side of the negative pressure plate 14, a second driving mechanism for driving the movable plates 15 to move in opposite directions is arranged in the shell 11, a distance measuring rod 17 is respectively arranged on the side surfaces of the two movable plates 15, which are close to each other, a pressure sensor 19 for detecting the pressure borne by the distance measuring rod 17 is also arranged in the movable plates 15, a distance measuring sensor 18 for measuring the position of the movable plates 15 is also arranged in the shell 11, the movable plates can be close to each other and measure the thickness of a folded film through the distance measuring rod 17, the thickness measuring method can measure the thickness of the film positioned at the middle part, and when the two distance measuring rods 17 rest the film and enable the force borne by the pressure sensor 19 to reach a threshold value, the thickness of the double-layer film can be measured according to the distance between the distance measuring sensor 18 and the movable plates 15.

In this embodiment, the first driving mechanism includes a holding rod 20 disposed on the right side of the housing 11, a through slot 21 penetrating right is disposed in the right side of the chute 13, a rotating shaft 22 is rotationally connected to the front and rear sides of the through slot 21, a gear is disposed on the rotating shaft 22, the rotating shaft 22 is connected to the side of the through slot 21 through a coil spring, teeth meshed with the gear are processed on the side of the negative pressure plate 14, a grip 23 is slidingly connected left and right in the holding rod 20, a string 24 is further wound on the rotating shaft 22, the end of the string 24 is fixed on the grip 23, a worker can hold the holding rod by hand through the holding rod 20, and the worker presses the grip 23 rightward to rotate the rotating shaft 22 and the gear, thereby driving the negative pressure plate 14 to rise, and the operation is simple and convenient.

The second driving mechanism comprises a special shaft 25 rotatably connected to the inside of the detection cavity 12, two sections of opposite threads are machined on the special shaft 25, the two sections of threads are respectively in threaded connection with the left movable plate 15 and the right movable plate 15, a motor 26 for driving the special shaft 25 is further arranged on the shell 11, the two movable plates 15 can be close to or far away from each other when the special shaft 25 is in forward and reverse rotation, and the folded film can be abutted by the two distance measuring rods 17 when the two movable plates are close to each other so as to perform thickness measurement.

In addition, in order to make the film that is held by the ranging rod 17 in stretching the flat state, two the movable plates 15 are articulated to have a plurality of to stretch the board 27 on the side that is close to each other, stretch the board 27 with the axis of ranging rod 17 is equidistant angle distribution as the center, stretch the board 27 keep away from on the side of ranging rod 17 through the spring coupling in the side of movable plate 15, in this embodiment, stretch the board 27 and be provided with four and rectangle distribution, stretch the board 27 that is in the coplanar position on two movable plates 15 when the movable plates 15 are close to each other and can be held in the left and right sides of folding film, along with the movable plates continue to be close to each other this moment, the film of being held can be stretched flat to improve the thickness measurement precision.

And a rubber layer for increasing friction is fixedly arranged at the tail end of the stretching plate 27 so as to increase the friction force between the stretching plate and the thick film to be measured.

For easy reading, an indicator 28 is mounted on the upper side of the housing 11, and the indicator 28 is used for displaying the data uploaded by the pressure sensor 19 and the distance measuring sensor 18.

In order to further improve the thickness measurement precision, the distance measuring sensor 18 is disposed on the left side surface of the detection cavity 12 and is just opposite to the movable plate 15 located on the left side, a telescopic plate 30 is mounted on the left side surface of the detection cavity 12, a movable portion slidable in the telescopic plate 30 is fixed on the movable plate 15 located on the left side, the distance measuring sensor 18 is disposed on the upper side of the telescopic plate 30, and the telescopic plate can be driven to stretch and retract when the movable plate located on the left side moves left and right, so that dust and foreign matters are prevented from entering the detection cavity to affect the measurement result of the distance measuring sensor 18.

The ranging rod 17 is installed on the movable plate 15 through an installation component, the installation component comprises a circular support 29 fixedly arranged on the movable plate 15, the ranging rod 17 is connected in the support 29 in a left-right sliding mode, the support 29 can support the ranging rod and enable the ranging rod 17 to slide left and right only, lateral force only received by the pressure sensor 19 is guaranteed, and measurement accuracy is guaranteed.

Thickness measurement principle:

when the film thickness detection work in the middle part is needed, a worker holds the holding rod 20 and presses the shell 11 on the upper side of the film, the lower end of the negative pressure plate 14 is abutted against the film, then the worker electrifies the air pump 16, negative pressure is generated in the negative pressure plate 14 when the air pump 16 is electrified, the film is adsorbed by the negative pressure plate 14, then the worker presses the handle 23 rightwards, the handle 23 drives the rotating shaft 22 and the gear to rotate through the rope 24 when moving rightwards, the negative pressure plate 14 moves upwards relative to the shell 11, and the film is bent and dragged into the detection cavity 12 because the film is still adsorbed by the negative pressure plate 14, and the negative pressure plate 14 is positioned at the upper limit and on the upper sides of the movable plate 15 and the stretched plate 27 when the handle 23 moves to the right limit.

Then, the worker electrifies the motor 26 and rotates the special shaft 25 forward, the two movable plates 15 are close to each other, the stretching plate 27 is contacted with the film folded in the detection cavity 12 before the distance measuring rod 17 moves in the process, then the angle between the stretching plate 27 and the movable plate 15 is gradually changed along with the continuous mutual approaching of the movable plates 15, the film between the left and right 8 stretching plates 27 is stretched flat, the air pump 16 can be powered off when the stretching plate 27 is bent to a certain angle and the film cannot fall, the two distance measuring rods 17 are abutted against the film after the movable plate 15 moves for a certain time, the pressure sensor 19 senses pressure, and when the pressure reaches a threshold value, the thickness of the film in a two-layer folded state can be converted according to the distance between the distance sensor 18 and the movable plate 15, and the thickness of the single-layer film can be converted.

When the detection is completed, the special shaft 25 is reversed until the movable plate 15 is far away from the limit position, the stretching plate 27 can reset at an angle under the action of the springs, the film is not clamped by the stretching plates 27 on the left side and the right side, namely, the film can fall off and leave the detection cavity 12, when the staff no longer presses the handle 23, the rotating shaft 22 is reversed under the action of the coil springs, the handle 23 can be pulled by the wire ropes 24 and moves leftwards, and the negative pressure plate 14 can move downwards under the action of the gears and the gravity to reset.

The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims (9)

1. A hand-held double-over thickness measuring machine for thin films, comprising a housing (11), characterized in that: be equipped with opening decurrent detection chamber (12) in shell (11), just be equipped with in the last side of detection chamber (12) upwards link up spout (13), sliding connection has in spout (13) about can get into negative pressure plate (14) in detection chamber (12), negative pressure plate (14) are cavity, still be equipped with air pump (16) on shell (11), the inlet port of air pump (16) pass through the trachea connect in the upper end of negative pressure plate (14), so that can produce the air current that circulates upwards in negative pressure plate (14), still be equipped with in shell (11) and be used for driving negative pressure plate (14) up-and-down motion's a actuating mechanism, sliding connection has two fly leaf (15) about in detection chamber (12), fly leaf (15) are located respectively the left and right sides of negative pressure plate (14), just be equipped with in shell (11) and be used for driving moving plate (15) carry out the second number actuating mechanism of opposite movement, two fly leaf (15) are close to each other side and are equipped with pressure sensor (17) in being equipped with in distance measuring rod (17) in being equipped with in shell (17).

2. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: the first driving mechanism comprises a holding rod (20) arranged on the right side of the shell (11), a through groove (21) which is communicated right is formed in the right side face of the sliding groove (13), a rotating shaft (22) is rotationally connected to the front side face and the rear side face of the through groove (21), a gear is arranged on the rotating shaft (22), the rotating shaft (22) is connected to the side face of the through groove (21) through a coil spring, teeth meshed with the gear are machined on the side face of the negative pressure plate (14), a grip (23) is connected to the inside and the outside of the holding rod (20) in a sliding mode, a rope (24) is further wound on the rotating shaft (22), and the tail end of the rope (24) is fixed to the grip (23).

3. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: the second driving mechanism comprises a special shaft (25) rotationally connected to the inside of the detection cavity (12), two sections of opposite threads are machined on the special shaft (25), the two sections of threads are respectively in threaded connection with the left movable plate (15) and the right movable plate (15), and a motor (26) for driving the special shaft (25) is further arranged on the shell (11).

4. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: the two movable plates (15) are hinged to the side surfaces close to each other, a plurality of stretching plates (27) are distributed at equal angles by taking the axis of the distance measuring rod (17) as the center, and the side surfaces, far away from the distance measuring rod (17), of the stretching plates (27) are connected to the side surfaces of the movable plates (15) through springs.

5. A hand-held double-over thickness measuring machine for thin films as claimed in claim 4, wherein: the tail end of the stretching plate (27) is fixedly provided with a friction-increasing rubber layer.

6. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: an indicator (28) is arranged on the upper side surface of the shell (11), and the indicator (28) is used for displaying data uploaded by the pressure sensor (19) and the ranging sensor (18).

7. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: the distance measuring sensor (18) is arranged on the left side surface of the detection cavity (12) and is opposite to the movable plate (15) positioned on the left side.

8. A hand-held double-over thickness measuring machine for thin films according to claim 7, wherein: the left side face of the detection cavity (12) is provided with a telescopic plate (30), a movable part which can slide in the telescopic plate (30) is fixed on the movable plate (15) which is positioned on the left side, and the distance measuring sensor (18) is positioned on the upper side of the telescopic plate (30).

9. A hand-held double-over thickness measuring machine for thin films according to claim 1, characterized in that: the distance measuring rod (17) is arranged on the movable plate (15) through an installation component, the installation component comprises an annular support (29) fixedly arranged on the movable plate (15), and the distance measuring rod (17) is connected in the support (29) in a left-right sliding mode.